The proven outer shell made of multi-layer EPS, the effective RAM-AIR ventilation system, the high-quality, removable and washable KwickWick inner lining and the integrated sun visor are just some of the many arguments in favour of the new EXO-491. A multitude of functions and arguments that make the new EXO-491 simply great in its price class. Ellip-tec Tool-free visor change in seconds. Pulls the visor against its seal using spring force to ensure maximum sealing. Speedview Folding sun visor, anti-fog coated on both sides. Kwikwick C The fully removable and washable KWICKWICK C liner retains its moisture absorption capacity and is even softer to the touch in hypoallergenic fabric. Kwikfit Kwikfit cheek pads allow the use of the most commonly used types of eyewear.